Haynes Compatible for The Chevrolet Silverado 2500/3500 (2020–2024) Repair Manual: Covers 6.6L L5P Diesel, 6.6L L8T Gas – Maintenance, Repairs, Troubleshooting & Wiring Diagrams | Specifications and Fitment

Keep your heavy-duty Silverado running strong with the Haynes Repair Manual for Chevrolet Silverado 2500/3500 models (2020–2024). This manual includes full in-book procedures for the 6.6L L5P Duramax diesel engine and the 6.6L L8T V8 gasoline engine.

Whether you’re replacing brake pads, diagnosing a hard start, or working on the transmission or drivetrain, this guide provides trusted, hands-on instruction backed by step-by-step procedures and hundreds of photos. Scan the included QR code for instant access to detailed wiring diagrams, guided diagnostics, and digital repair content—perfect for modern garages.

Haynes is the world’s leading DIY repair guide brand, helping millions of vehicle owners save time, money, and frustration with clear, accurate repair info you can count on.

Table of Contents

• Safety First!
• Vehicle identification numbers
• Jacking and lifting
• Buying parts
• Fluid level checks (every 250 miles or weekly)
• Tire and tire pressure checks (every 250 miles or weekly)
• Lubricants, fluids and tire pressures
• Booster battery (jump) starting
• Key fob battery replacement
• Troubleshooting
• Acronyms
• Fraction/decimal/millimeter equivalents
• Chapter 1 – Routine maintenance and servicing
• Chapter 2 – Engine repair procedures
• Chapter 3 – Cooling, heating and air conditioning systems
• Chapter 4A – Fuel and exhaust systems
• Chapter 4B – Emission control systems
• Chapter 5A – Starting and charging
• Chapter 5B – Pre-heating system
• Chapter 6 – Automatic transmission
• Chapter 7 – Transfer case
• Chapter 8 – Driveshafts, halfshafts and axles
• Chapter 9 – Braking system
• Chapter 10 – Suspension and steering
• Chapter 11 – Bodywork and fittings
• Chapter 12 – Body electrical system
• Chapter 13 – Wiring diagrams
• Index